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-rw-r--r--libc/sysdeps/linux/microblaze/setjmp.S53
1 files changed, 53 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/microblaze/setjmp.S b/libc/sysdeps/linux/microblaze/setjmp.S
new file mode 100644
index 000000000..7068d4b40
--- /dev/null
+++ b/libc/sysdeps/linux/microblaze/setjmp.S
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+/*
+ * libc/sysdeps/linux/microblaze/setjmp.S -- `setjmp' for microblaze
+ *
+ * Copyright (C) 2003 John Williams <jwilliams@itee.uq.edu.au>
+ * Copyright (C) 2001,2002 NEC Corporation
+ * Copyright (C) 2001,2002 Miles Bader <miles@gnu.org>
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License. See the file COPYING.LIB in the main
+ * directory of this archive for more details.
+ *
+ * Written by Miles Bader <miles@gnu.org>
+ */
+
+#define _SETJMP_H
+#define _ASM
+#include <bits/setjmp.h>
+
+#include <clinkage.h>
+
+ .text
+C_ENTRY(setjmp):
+ addi r6, r0, 1 /* Save the signal mask. */
+ braid C_SYMBOL_NAME(__sigsetjmp)
+ nop
+
+ .globl C_SYMBOL_NAME(_setjmp)
+C_SYMBOL_NAME(_setjmp):
+ add r6, r0, r0 /* Don't save the signal mask. */
+
+ .globl C_SYMBOL_NAME(__sigsetjmp)
+C_SYMBOL_NAME(__sigsetjmp):
+ /* Save registers relative to r5 (arg0)*/
+ swi r1, r5, 0 /* stack pointer */
+ swi r15, r5, 4 /* link register */
+ swi r18, r5, 8 /* assembler temp */
+ swi r19, r5, 12 /* now call-preserved regs */
+ swi r20, r5, 16
+ swi r21, r5, 20
+ swi r22, r5, 24
+ swi r23, r5, 28
+ swi r24, r5, 32
+ swi r25, r5, 36
+ swi r26, r5, 40
+ swi r27, r5, 44
+ swi r28, r5, 48
+ swi r29, r5, 52
+ swi r30, r5, 56
+
+ /* Make a tail call to __sigjmp_save; it takes the same args. */
+ braid C_SYMBOL_NAME(__sigjmp_save)
+ nop
+C_END(setjmp)